package br.com.acs.CameraIP.util;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

import org.hibernate.SessionFactory;

public class ConexaoHibernateFilter implements Filter{

	private SessionFactory sf;

	public void init(FilterConfig config) throws ServletException
	{
		this.sf = HibernateUtil.getSessionFactory();
	}

	public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse,
			FilterChain chain) throws ServletException {

		try {
			this.sf.getCurrentSession().beginTransaction();
			chain.doFilter(servletRequest, servletResponse);
			this.sf.getCurrentSession().getTransaction().commit();
			this.sf.getCurrentSession().close();
		} catch (Throwable ex){
			try{
				if (this.sf.getCurrentSession().getTransaction().isActive()){
					this.sf.getCurrentSession().getTransaction().rollback();
				}
			} catch (Throwable t) {
				t.printStackTrace();
			}
			throw new ServletException(ex.getMessage());
		}
	}
	public void destroy() 
	{}




}
